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Boats for sale
| Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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| Laser 28 - Excellent example of this great design Hamble le rice |
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List classes of boat for sale |
Hiking technique |
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iGRF 
Really should get out more 
Joined: 07 Mar 11 Location: Hythe Online Status: Offline Posts: 6499 |
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 Topic: Hiking techniquePosted: 18 Sep 17 at 3:00pm |
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Hmm kinetics? Would that be the same kinetics the Miracle mums keep shouting RR42 at me everytime I move a cramped muscle down the lake?
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bustinben
Far too distracted from work 
Joined: 15 Oct 06 Online Status: Offline Posts: 288 |
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Posted: 18 Sep 17 at 11:34am |
Lasers are a little different to most - the freeboard is so low that completely flat doesn't work in all sea states because the waves slap you even if you straight leg hike. You also need a slight bit of heel for your upwind kinetics to be effective. Slight heel + kinetics is much much faster than flat with no kinetics.
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laser193713
Really should get out more
Joined: 13 May 09 Location: United Kingdom Online Status: Offline Posts: 889 |
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Posted: 14 Sep 17 at 9:42pm |
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One of the interesting things with the laser is that when it is fully flat the daggerboard starts to slop around, which is another reason you see them sailed slightly heeled.
You joke about the spirit level but a simple inclinometer is a very overlooked bit of kit, if only for motivation to hike harder! Also interesting is that in high end keelboats (Fast 40, TP etc) it is quite common to sail to a heel angle downwind rather than a wind angle or target speed.
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Sam.Spoons
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Joined: 07 Mar 12 Location: Manchester UK Online Status: Offline Posts: 3400 |
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Posted: 14 Sep 17 at 8:34pm |
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Slack rig is 'de rigure' on the Blaze ;)
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Spice 346 "Flat Broke"
Blaze 671 "supersonic soap dish" |
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Wiclif
Groupie 
Joined: 04 Oct 05 Location: United Kingdom Online Status: Offline Posts: 81 |
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Posted: 14 Sep 17 at 6:36pm |
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OK, so I am sad too
Using the highly technical straight edge of a TV remote, it seems to me that half of the heel is because the rig is not perpendicular in the boat, as the rig is angled more than the hull |
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JimC
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Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6661 |
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Posted: 14 Sep 17 at 1:34pm |
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It depends completely on the hull design. Some are much more tolerant of a few degrees heel than others.
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iGRF
Really should get out more
Joined: 07 Mar 11 Location: Hythe Online Status: Offline Posts: 6499 |
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Posted: 14 Sep 17 at 1:15pm |
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Unless it's windy I really don't think flat is always as fast as they say anyway. Less wetted area slightly heeled, we'd never sail a board flat unless it's blowing and we're planing.
Edited by iGRF - 14 Sep 17 at 1:16pm |
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Riv
Far too distracted from work
Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353 |
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Posted: 14 Sep 17 at 1:07pm |
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Rupert, I'm reminded of the tractor seat on a pole the unit had. Nothing new under the sun.
https://www.google.co.uk/search?q=unit+dinghy&ie=UTF-8&oe=UTF-8&hl=en-gb&client=safari#imgrc=H9BxFO-7B2iHFM:
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Sam.Spoons
Really should get out more
Joined: 07 Mar 12 Location: Manchester UK Online Status: Offline Posts: 3400 |
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Posted: 12 Sep 17 at 5:43pm |
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I'll remember to take a spirit level with me next time I sail the Blaze
 But, yes it was interesting, I was aware it wasn't absolutely flat but would have said 5º was close enough to make little or no difference. This got me looking at the heel angles of some top Laser sailors (images of world championships) and it's pretty rare for any of them to show the boats completely flat upwind, despite that being the coaches mantra. I'll be happy with sub 6º heel angles upwind I reckon.
 Edited by Sam.Spoons - 12 Sep 17 at 5:43pm |
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Spice 346 "Flat Broke"
Blaze 671 "supersonic soap dish" |
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laser193713
Really should get out more
Joined: 13 May 09 Location: United Kingdom Online Status: Offline Posts: 889 |
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Posted: 12 Sep 17 at 4:37pm |
I had it open already... I was just interested that it was clearly not flat (but visually very close) and I wondered exactly what flat was perceived as. I didn't expect it to be as much as 6 degrees, so it was probably a worthwhile exercise seeing as it took less than 30 seconds. But maybe you're right!
 Edited by laser193713 - 12 Sep 17 at 4:38pm |
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